ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,654, issued on June 3, was assigned to CIRCLESX LLC (Houston).

"Financial swap index method and system on transportation capacity units and trading derivative products based thereon" was invented by Erik Mowery Simpson (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "Implementations of various methods and systems for creating and calculating a transportation capacity unit index and trading derivative products based thereon to transact and trade transportation seats or freight or transportation capacity units and resulting financial swap, futures, forwards and option structures in airline transport, subway transport, train transport, automobile...